From fcf6c0f5a7b8a7f8a3485a0b1b9042a12120884b Mon Sep 17 00:00:00 2001 From: wolf Date: Fri, 14 Feb 2003 18:43:14 +0000 Subject: [PATCH] Clarify one point. git-svn-id: https://svn.dealii.org/trunk@7093 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/doc/reports/deal.II-paper/node2.html | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/deal.II/doc/reports/deal.II-paper/node2.html b/deal.II/doc/reports/deal.II-paper/node2.html index 4ab8453cbd..0b99980b0e 100644 --- a/deal.II/doc/reports/deal.II-paper/node2.html +++ b/deal.II/doc/reports/deal.II-paper/node2.html @@ -168,7 +168,17 @@ to adaptive meshes: It should be noted that the grids produced using this approach usually have relatively steep gradients at the boundaries between two regions of - different refinement depths, but refinement can be made very fast. Furthermore, transfer of data between meshes is highly accurate and fast. + different refinement depths, but refinement can be made very + fast. Furthermore, transfer of data between meshes is highly + accurate and fast. +

+ (Note: in parts of the literature, the term "structure mesh" is used + to indicate that the mesh is actually aligned along coordinate axes, + is equispaced, and so on. Sometimes, this is referred to as + ijk-meshes, because each grid point is identified with three + indices, i, j, and k. Everything else would then be an unstructured + grid. We use the weaker definition of "structured" as given above.) + Since the additional information in structured meshes can be favorably used in multigrid algorithms as well as in the fast generation of new meshes from a given one, we chose the second approach. Furthermore, -- 2.39.5